<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title></title>
		<style type="text/css">
			*{
				padding: 0px;
				margin: 0px;
			}
			.heng{
				width: 100px;
				height: 100px;
				background: pink;
				margin-top: 50px;
			}
		</style>
		
	</head>
	
	<body>
	<div class="heng">
		
	</div> 
	</body>
</html>
